BN: play
SF: play.c
SN: list of commands
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-N: ls
-D: List playlist.
-U: ls
-H: This prints all paths of the playlist. The currently active file is
-H: marked with an asterisk.
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-N: info
-D: Print information about the current file.
-U: info
-H: This is the audio file selector info.
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-N: play
-D: Start or resume playing.
-U: play [<num>]
-H: Without <num>, starts playing at the current position. Otherwise, the
-H: corresponding file is loaded and playback is started.
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-N: pause
-D: Stop playing.
-U: pause
-H: When paused, it is still possible to jump around in the file via the jmp and ff
-H: comands.
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-N: tasks
-D: Print list of active tasks.
-U: tasks
-H: Mainly useful for debugging.
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-N: quit
-D: Exit para_play.
-U: quit
-H: Pressing CTRL+D causes EOF on stdin which also exits para_play.